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EUVD-2026-333491

fkie_cve-2026-13708

Imager::File::JPEG versions before 1.003 for Perl leak heap memory when reading a JPEG with repeated APP13 markers in i_readjpeg_wiol.

i_readjpeg_wiol walks the marker list libjpeg returns and, for each APP13 marker, allocates a new buffer with *iptc_itext = mymalloc(...) and overwrites the previous pointer without freeing it. Only the final payload is later turned into a Perl scalar and freed, so a JPEG with N such markers leaks the first N-1 payloads on every read.

In a long-lived process, such as an upload or thumbnailing service, repeated reads accumulate these leaks and exhaust available memory, a denial of service.

The same handler ships bundled in the Imager distribution, where versions before 1.032 are affected and the fix ships in 1.032.

GHSA-cx44-fgg3-fcp4

Imager::File::JPEG versions before 1.003 for Perl leak heap memory when reading a JPEG with repeated APP13 markers in i_readjpeg_wiol.

In a long-lived process, such as an upload or thumbnailing service, repeated reads accumulate these leaks and exhaust available memory, a denial of service.

The same handler ships bundled in the Imager distribution, where versions before 1.032 are affected and the fix ships in 1.032.

UBUNTU-CVE-2026-13708

Affected: Ubuntu:16.04:LTS: libimager-perl, Ubuntu:18.04:LTS: libimager-perl, Ubuntu:20.04:LTS: libimager-perl, Ubuntu:22.04:LTS: libimager-perl, Ubuntu:24.04:LTS: libimager-perl, Ubuntu:25.10: libimager-perl, Ubuntu:26.04:LTS: libimager-perl

Imager::File::JPEG versions before 1.003 for Perl leak heap memory when reading a JPEG with repeated APP13 markers in i_readjpeg_wiol. i_readjpeg_wiol walks the marker list libjpeg returns and, for each APP13 marker, allocates a new buffer with *iptc_itext = mymalloc(...) and overwrites the previous pointer without freeing it. Only the final payload is later turned into a Perl scalar and freed, so a JPEG with N such markers leaks the first N-1 payloads on every read. In a long-lived process, such as an upload or thumbnailing service, repeated reads accumulate these leaks and exhaust available memory, a denial of service. The same handler ships bundled in the Imager distribution, where versions before 1.032 are affected and the fix ships in 1.032.